1、EN14336June2025EuropeanstandardNormeeuropeenneEuropaischenormICS91.140.10SupersedesEN14336:2004EnglishVersionHeatingsystemsinbuildings-InstallationandcommissioningofwaterbasedheatingandcoolingsystemsSystemesdechauffagedanslesbatiments-InstallationetCommissionnementdessystemesdechauffageaeauHeizungsa
2、nlageninGebauden-InstallationundAbnahmederWarmwasser-HeizungsanlagenThisEuropeanStandardwasapprovedbyCENon21April2025.CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEuropeanStandardthestatusofanationalstandardwithoutanyalteration.Up-to-datelist
3、sandbibliographicalreferencesconcerningsuchnationalstandardsmaybeobtainedonapplicationtotheCEN-CENELECManagementCentreortoanyCENmember.ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).AversioninanyotherlanguagemadebytranslationundertheresponsibilityofaCENmemberintoitsownlangu
4、ageandnotifiedtotheCEN-CENELECManagementCentrehasthesamestatusastheofficialversions.CENmembersarethenationalstandardsbodiesofAustria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands
5、Norway,Poland,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TiirkiyeandUnitedKingdom.EUROPEANCOMMITTEEFORSTANDARDIZATIONCOMITEEUROPEENDENORMALISATIONEuropaischeskomiteefurnormungCEN-CENELECManagementCentre:RuedelaScience23,B-1040BrusselsRef.No.EN14336:2
6、025E2025CENAllrightsofexploitationinanyformandbyanymeansreservedworldwideforCENnationalMembers.PageContentsEuropeanforeword5Introduction61 Scope82 Normativereferences83 Termsanddefinitions84 Installation114.1 Preparationfortheinstallation114.1.1 Documentation114.1.2 Sitepreparation124.2 Inventoryand
7、inspectionofincominggoods124.3 Handlingofmaterials124.4 Storageofmaterials124.5 Installationofcomponents134.5.1 General134.5.2 Heatgeneration134.5.3 Heatdistribution-pipingandpumps144.5.4 Heatemission.154.5.5 Controlandmonitoring154.5.6 Thermalinsulation164.6 Siteinspectionsduringtheinstallationwork
8、164.7 Changesduringtheinstallationprocess165 Pre-functionalchecks175.1 Objective175.2 Generalcheck175.3 Equipmentandcomponentcheck175.4 Electricalchecks186 Pressuretest186.1 General.186.2 Hydraulictest206.3 Pneumatictest206.4 Tightnesstest216.5 Loadtest226.5.1 Hydraulictest226.5.2 Pneumatictest227 S
9、ystemcleaning227.1 General227.2 Simpleanddynamicflushing237.2.27.2.37.37.4SimpleflushingDynamicflushing.Mechanicalcleaning8 Systemfillingandventing268.1 General268.2 Frostprecautions278.3 Useofchemicals278.4 Fillingreport279 Balancingwaterflowrates2810 Functionaltesting2910.1 General2910.2 Testingan
10、dsettingsofindividualdevices2910.3 Testingthesequencesofoperation2911 Handover3011.1 Objective3011.2 Documentsforoperation,maintenanceanduse3011.3 Instructionsonoperationanduse3011.4 Handoverdocumentation30Annex A (informative)Listoftestandcontrolactivities32A.lGeneral32A.2Contentsofthelist32A.3Samp
11、lelistoftestandcontrolactivities34Annex B (informative)Installationsiteinspection358.1 General358.2 Installationsiteinspectionreport358.3 Samplesiteinspectionreport36Annex C (informative)PRE-COMMISSIONINGCHECKS37C.lGeneral37C.2Equipmentandmajorcomponentscheck-lists37C.2.1Pump37C.2.2Boiler38C.2.3Heat
12、pump40C.2.4Fan-coilunit41C.2.5Controlvalves42C.3Electricalchecks43Annex D (informative)Pressuretesting46D.lGeneral46D.2Samplepressuretestreport46Annex E (informative)Systemcleaning49E.lGeneral49E.2Procedures49E.2.1Flushing49E.2.2Chemicalcleaning51E.2.3Samplecleaningreport52Annex F (informative)Filli
13、ngandventing54F.lGeneralinformation54F.2Samplefillingreport54Annex G (informative)Balancingofwaterflowrates56G.lGeneral56G.2Simplesetting56G.2.1Concept56G.2.2Samplespecificationandreport57G.3Balancingwithmanualbalancingvalvesandflowmeasurement58G.3.1General58G.3.2Theiterativemethod59G.3.3Theproporti
14、onalmethod59G.3.4Thecompensatedmethod59G.3.5Computeraidedbalancingmethod60G.4Balancingwithflowmeasurementandself-actingbalancingvalves60G.4.1Differentialpressurecontroller60G.4.2Flowlimiter60G.5Balancingbytemperaturemeasurements60G.5.1General60G.5.2Concept61G.5.3Method61G.6Flowaccuracy61G.7Balancing
15、report62Annex H (informative)Functionaltesting64H.lGeneralinformation64H.2Functionaltestingofindividualappliancesandcontrols64H.3Globalcheck65Annex I (informative)Samplehand-overchecklist67Bibliography68EuropeanforewordThisdocument(EN14336:2025)hasbeenpreparedbyTechnicalCommitteeCEN/TC228Heatingsyst
16、emsandwater-basedcoolingsystemsinbuildings”,thesecretariatofwhichisheldbyDIN.ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextorbyendorsement,atthelatestbyDecember2025,andconflictingnationalstandardsshallbewithdrawnatthelatestbyDecember2025.Attentionis
17、drawntothepossibilitythatsomeoftheelementsofthisdocumentmaybethesubjectofpatentrights.CENshallnotbeheldresponsibleforidentifyinganyorallsuchpatentrights.ThisdocumentsupersedesEN14336:2004.IncomparisonwiththepreviouseditionEN14336:2004,thefollowingtechnicalmodificationshavebeenmade: newtechnologiesar
18、ecovered; inclusionofnewtestprocedures; editorialorganizationtofacilitatetheuseofthisdocumentwithinacomprehensivecommissioningprocess.Anyfeedbackandquestionsonthisdocumentshouldbedirectedtotheusersnationalstandardsbody.AcompletelistingofthesebodiescanbefoundontheCENwebsite.AccordingtotheCEN-CENELECI
19、nternalRegulations,thenationalstandardsorganisationsofthefollowingcountriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,Bulgaria,Croatia,Cyprus,CzechRepublic,Denmark,Estonia,Finland,France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Latvia,Lithuania,Luxembourg,Malta,Netherlands,Norway,Po
20、land,Portugal,RepublicofNorthMacedonia,Romania,Serbia,Slovakia,Slovenia,Spain,Sweden,Switzerland,TurkiyeandtheUnitedKingdom.IntroductionThesubjectscoveredbyCEN/TC228arethefollowing: designofwater-basedheatingandcoolingsystems; installationofheatingsystems; commissioningofheatingsystems; instructions
21、foroperation,maintenanceanduseofheatingsystems; methodsforcalculationofthedesignheatlossandheatloads; methodsforcalculationoftheenergyperformanceofheatingsystems.Heatingsystemsalsoincludetheeffectofattachedsystemssuchashotwaterproductionsystems.Allthesestandardsaresystemsstandards,i.e.theyarebasedon
22、requirementsaddressedtothesystemasawholeandnotdealingwithrequirementstotheproductswithinthesystem.Wherepossible,referenceismadetootherEuropeanorInternationalStandards,suchasproductstandards.However,useofproductscomplyingwithrelevantproductstandardsisnoguaranteeofcompliancewiththesystemrequirements.T
23、herequirementsaremainlyexpressedasfunctionalrequirements,i.e.requirementsdealingwiththefunctionofthesystemandnotspecifyingshape,material,dimensionsorthelike.Theguidelinesdescribewaystomeettherequirements,butotherwaystofulfilthefunctionalrequirementsmightbeusediffulfilmentcanbeproved.Heatingsystemsdi
24、fferamongthemembercountriesduetoclimate,traditionsandnationalregulations.Insomecases,requirementsaregivenasclassessonationalorindividualneedsmaybeaccommodated.Incaseswherethestandardscontradictwithnationalregulations,thelattershouldbefollowed.Figure1illustratesthebasicsequenceoftheinstallationandcom
25、missioningprocess.Figure1Installationandcommissioningprocess1 ScopeThisdocumentspecifiestherequirementsfortheinstallationandCommissioningofwater-basedheating,water-basedcooling,andheatingofdomestichotwater(DHW)systemsinbuildingswithamaximumoperatingtemperatureof105.Thisdocumentisapplicabletothecommi
26、ssioningofsystemsasawhole,incasesofnewsystems,renovationsandreplacementofequipment.Thisdocumentdoesnotapplytosuperheatedwatersystemsorsteamsystemsanditdoesnotapplytothespecificcommissioningrequirementsforindividualcomponents(e.g.howtosetfuel/airratioonaburner).Also,itdoesnotapplytotheinstallationorc
27、ommissioningofattachedsystems(e.g.airconditioning,domestichotwaterdistribution,ventilationsystems).Thisdocumentspecifiesonlytechnicalrequirementsbutitdoesnotspecifyanycommercialorcontractualarrangementsbetweenparties.2 NormativereferencesThefollowingdocumentsarereferredtointhetextinsuchawaythatsomeo
28、ralloftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences,onlytheeditioncitedapplies.Forundatedreferences,thelatesteditionofthereferenceddocument(includinganyamendments)applies.EN12170,HeatingsystemsinbuildingsProcedureforthepreparationofdocumentsforoperation,maintenanceanduseHeatin
29、gsystemsrequiringatrainedoperatorEN1217LHeatingsystemsinbuildingsProcedureforthepreparationofdocumentsforoperation,maintenanceanduseHeatingsystemsnotrequiringatrainedoperatorEN61082-1,PreparationofdocumentsusedinelectrotechnoIogyPart1:Rules(IEC61082-1)3 TermsanddefinitionsForthepurposesofthisdocumen
30、t,thefollowingtermsanddefinitionsapply.ISOandIECmaintainterminologydatabasesforuseinstandardizationatthefollowingaddresses: ISOOnlinebrowsingplatform:availableathttps:/www.iso.org/ObP IECElectropedia:availableathttps:WWW.elictropedia.org/3.1installerpartyperformingtheinstallationprocess3.2clientpart
31、yforwhomtheinstallationprocessisperformedNote1toentry:Insomecontexts,theclientmayberepresentedbyaprofessionalduringtheinstallationandcommissioningprocess.3.3commissioningadvancementofaninstallationfromthestagewhenthemechanicalandelectricalinstallationworkiscompletetoaconfirmedoperation-readystateacc
32、ordingtospecifiedrequirementsNote1toentry:Theword“commissioningisusedheretoidentifytheactivitiesofchecking,testingandsettingtoworktheinstalledsystemspriortohand-over.Thisisonlyapartofthecomprehensive“commissioningprocess”asdefinedinAshrae202standard.3.4hydraulicbalancingprocessofadjustingflowratesth
33、roughoutthesystemtoobtaintherequiredflowratesunderdesignconditions3.5contaminantundesiredsubstanceorparticlewhichispresentinsideawater-basedsystemNote1toentry:Exampleofcontaminantsareweldingscale,slag,cuttings,metaloxideparticles,cuttingoilresidues,dirt.3.6flushingwashingoutofapipingsystemtoremoveco
34、ntaminants3.7mechanicalcleaningprocessofpipecleaningandremovalofdirtanddebrisbyforcingadevicecalledapigorscraperthroughthepipeline3.8heatdistributionsystemconfigurationofinterconnectedcomponentsforthetransportofheatfromtheheatgenerationsystemtotheheatemissionsystemoranyattachedsystem3.9heatemissions
35、ystemconfigurationofinterconnectedcomponentsforthedispersalofheattoaheatedspace3.10heatgenerationsystemconfigurationofinterconnectedcomponents/appliancesforthesupplyofheattotheheatdistributionsystem3.11coolinggenerationsystemconfigurationofinterconnectedcomponents/appliancesfortheextractionofheatfro
36、mthecoolingdistributionsystem3.12maintenancecombinationofalltechnical,administrativeandmanagingactionsnecessarytoretainanitemin,orrestoreitto,astateinwhichitcanperformanintendedfunctionSOURCE:EN12170andEN121713.13maximumoperatingpressuremaximumpressureatwhichthesystem,orpartsofthesystem,isdesignedto
37、operate3.14maximumoperatingtemperaturemaximumtemperatureatwhichthesystem,orpartsofthesystem,isdesignedtooperate3.15P&IDpipingandinstrumentationdiagram3.16OM&Uoperation,maintenanceanduseSOURCE:EN12170andEN121713.17operationthoseactionsnecessarytomakeavailabletheservices,whichthesystemhasbeendesignedt
38、oprovideSOURCE:EN12170andEN121713.18settingtoworkprocessofsettingastaticsystemintooperation3.19useactionofreceivingtheservices,whichthesystemhasbeendesignedtoprovideSOURCE:EN12170andEN121713.20shopdrawingdrawingordiagrampreparedtobeusedduringon-siteinstallationactivities3.21pressuretestcombinationof
39、tightnessandloadtest3.22tightnesstesttestperformedtoensurethattherearenoleaksinahydraulicsystemNote1toentry:Tightnesstestisnormallyperformedatlowerpressurethanloadtest.3.23loadtesttestperformedtoensurethatthesystemcanwithstandthedesignedfluidpressureandthatishastherequiredstrengthreliabilityunderope
40、ratingconditions4Installation4.1 Preparationfortheinstallation4.1.1 DocumentationTheinstallationactivitiescanbeginonlyafterthedesignhasbeenapprovedforexecutionandthefollowingdocumentationand/orinformationhasbeenpreparedandhandedoverforinstallation:a) equipmentandcomponentspecifications;b) designspec
41、ificationincluding: functionaldiagrams; installationlayout; installationdetails; materialstobeusedornotused(avoided); designflowratesandallotherinformationneededfortestingandbalancing(hydraulicbalancing); specificationoffillingwater;NOTEAdditionalinformationcanbefoundinEN12828,EN17671andapplicablere
42、gulations.Somedocumentsmaybeavailablelaterintheinstallationprocess.c) acoordinatedtimescheduleofthework,specifyingprioritiesandrelationshipbetweeninstallationitems,whereappropriate(e.g.anytimingtoberespectedbetweeninstallationworks);d) alistofcriticalmaterials/equipmenttobecheckedand/orapprovedupond
43、elivery(see4.2-incominggoods);e) anagreedprocedureorinstructionstohandlechanges;f) alistoftestandcontrolactivitiestobeperformedduringtheinstallationandcommissioningprocess,whichinclude: anticipatedteststobeperformedduringtheinstallationprocess(e.g.anypressuretestingofconcealedpipesbeforecoveringthem
44、); requiredpre-commissioningchecks; requireddocumentedactions,installationsiteinspections,verificationsandtesting,suchaspressuretest,cleaning,filling,balancing,etc.ConcerningitemQ1theclientandtheinstaller(三)shallagreetherequiredreportstobeprovidedduringtheinstallationprocess.Additionalinformationand
45、anexampleofalistaccordingtoitemfaregivenininformativeAnnexA.ThecompletedtestreportsandformsforthelistedtestandcontrolactivitiesshallbeannexedtotheOM&Uinstructions.4.1.2SitepreparationItshallbeensuredthat: thesiteisavailableandaccessibleforinstallation; handlingfacilitiesareprovided; storagefacilitie
46、sareprovided; appropriateservices/utilities(e.g.water,electricity,gas)areavailable; contractualobligationsaboutsiteorganizationaremet.4.2 InventoryandinspectionofincominggoodsDeliveredmaterialsshallbecheckedtoensure,that: quantitiesanddescriptionscorrespondtothedesignspecification; equipmentandcompo
47、nentsareundamaged.AllaccompanyingdocumentationshallbearchivedandkeptavailablefortheinstallationactivitiesandforinclusionintheOM&Uinstructions.Theinspectionofincomingmaterialsthathavebeenidentifiedascriticaltoachievethedesignobjectivesshallbedocumented.4.3 HandlingofmaterialsAnymanufacturersinstructionsonhowtohandlematerialsshallbefollowed.
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